303 search results - page 45 / 61 » Supporting spatial aggregation in sensor network databases |
DAWAK
2009
Springer
14 years 3 days ago
2009
Springer
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...
MOBICOM
2004
ACM
14 years 28 days ago
2004
ACM
Target tracking is an important application of wireless sensor networks. In this application, the sensor nodes collectively monitor and track the movement of an event or target ob...
CIDR
2007
13 years 9 months ago
2007
Wireless sensor networks are poised to enable continuous data collection on unprecedented scales, in terms of area location and size, and frequency. This is a great boon to field...
CGI
2003
IEEE
13 years 11 months ago
2003
IEEE
Location-aware mobile users need to access, query, and visualize, geographic information in a wide variety of applications including tourism, navigation, environmental management,...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...